Fix menu behavior

Opening the global menu should close the conversation menu and vice
versa.

// FREEBIE

js/views/conversation_view.js

@@ -96,7 +96,8 @@
             'loadMore .message-list': 'fetchMessages',
             'focus .send-message': 'focusBottomBar',
             'blur .send-message': 'unfocusBottomBar',
-            'click .back': 'resetPanel'
+            'click .back': 'resetPanel',
+            'close .menu': 'closeMenu'
         },
 
         unfocusBottomBar: function() {

js/views/inbox_view.js

@@ -125,6 +125,7 @@
         focusHeader: function() {
             this.$('.conversation-stack').addClass('inactive');
             this.$('#header').removeClass('inactive');
+            this.$('.conversation:first .menu').trigger('close');
         },
         reloadBackgroundPage: function() {
             chrome.runtime.reload();